package com.itheima.web;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.common.R;
import com.itheima.pojo.User;
import com.itheima.service.UserService;
import com.itheima.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.cache.CacheManager;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.lang.reflect.ParameterizedType;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserConterllor {
    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;
    @Autowired
    private CacheManager cacheManager;

    /*
     * 获取验证码*/
    @PostMapping("/sendMsg")
    public R<String> getSend(@RequestBody User user, HttpSession session) {

        String phone = user.getPhone();
        //判空
        if (StringUtils.isNotEmpty(phone)) {
            //生成4位数的验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code={}", code);


            //需要将验证码存储到session中
            //session.setAttribute(phone, code);
            //需要将生成的验证码保存到Redis，设置过期时间
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);
            return R.success("手机验证码发送成功");

        }
        return R.error("手机验证码发送失败");
    }


    /*移动端验证码登录*/
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session) {
        log.info(map.toString());
        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        /*//从session中获取保存的验证码
        Object codeInSession = session.getAttribute(phone);*/

        //从redis中获取缓存的验证码
        Object codeInSession = redisTemplate.opsForValue().get(phone);
        //进行验证码比对（页面提交的验证码和保存的验证码比对）
        if (codeInSession != null && codeInSession.equals(code)) {
            //如果能够比对成功，说明登录成功
            LambdaQueryWrapper<User> wrapper = new LambdaQueryWrapper<>();
            wrapper.eq(User::getPhone, phone);

            User user = userService.getOne(wrapper);

            if (user == null) {
                //判断当前手机号对应的用户是否为新用户，如果是新用户就自动完成注册
                user = new User();
                user.setStatus(1);
                user.setPhone(phone);
                userService.save(user);
            }
            session.setAttribute("user", user.getId());
            //从Redis中删除缓存的验证码
            redisTemplate.delete(phone);
            return R.success(user);
        }
        return R.error("登录失败");

    }

    /*    */

    /**
     * 移动端用户登录
     *
     * @param
     * @param session
     * @return
     *//*
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session){
        log.info(map.toString());
        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        //从Session中获取保存的验证码
        Object codeInSession = session.getAttribute(phone);

        //进行验证码的比对（页面提交的验证码和Session中保存的验证码比对）
        if(codeInSession != null && codeInSession.equals(code)){
            //如果能够比对成功，说明登录成功

            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);

            User user = userService.getOne(queryWrapper);
            if(user == null){
                //判断当前手机号对应的用户是否为新用户，如果是新用户就自动完成注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",user.getId());
            return R.success(user);
        }
        return R.error("登录失败");
    }*/

    /*
     * 退出登录*/
    @PostMapping("/loginout")
    public R<String> loginout(HttpSession session) {
        session.removeAttribute("user");
        return R.success("退出成功");

    }


}
